EN CC751S (CuZn33Pb2Si-C) Leaded Brass
Copper Alloys
Property Overview
Density8.1g/cm³
Elastic Modulus110GPa
Tensile Strength400MPa
Yield Strength320MPa
Brinell Hardness130HB
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 0.8%
MN
0 to 0.15%
SI
0.65 to 1.1%
S
CuZn33Pb2Si-C ( CC751S ) Copper-zinc alloy Chemical composition. Equivalents of CuZn33Pb2Si-C ( CC751S ). Standards.1 Mechanical Properties. Hardness%
CU
62.7 to 66%
AL
0 to 0.1%
PB
0.8 to 2.2%
SB
0 to 0.5%
SN
0 to 0.8%
ZN
27.9 to 35.6%
FE
0.25 to 0.5%
Mechanical
A - Min. elongation at fracture (%) (GP)
5
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
5.6 %
Poisson's Ratio
0.31
R p0.2 0.2% proof strength (MPa) (GP)
280
Rm - Tensile strength (MPa) (GP)
400
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
450 MPa
Tensile Strength: Yield (Proof)
320 MPa
Hardness
Brinell Hardness
130
Brinell hardness (HBW): (GP)
110
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
850 °C
Melting Onset (Solidus)
810 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
110 W/m-K
Thermal Diffusivity
35 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
15 points
Electrical
Electrical Conductivity: Equal Volume
25 % IACS
Electrical Conductivity: Equal Weight (Specific)
28 % IACS
Other
GC
Continuous casting
GM
Permanent mould casting
GP
Pressure die casting
GS
Sand casting
GZ
Centrifugal casting
H
Material condition designated by the minimum value of hardness requirement for the product with mandatory hardness requirements
R
Material condition designated by the minimum value of tensile strength requirement for the product with mandatory tensile strength and elongation requirements
Calculated
Resilience: Ultimate (Unit Rupture Work)
23 MJ/m 3
Resilience: Unit (Modulus of Resilience)
480 kJ/m 3
Stiffness to Weight: Axial
7.2 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
15 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
46 MJ/kg
Embodied Energy
46 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
330 L/kg
Embodied Water
330 L/kg 39 gal/lb
Registered Designations & Aliases
CC751SCuZn33Pb2Si-CCuZn33Pb2Si-CEN CC751S (CuZn33Pb2Si-C) Leaded Brass
Standards
EN 1982 EN 1982: 2008 Copper and copper alloys. Ingots and castings
EN 1982 EN 1982: Copper and copper alloys - Ingots and castings